<h2>TAMA&Ntilde;O Y COMPOSICI&Oacute;N DE PARTICULAS </h2>
                <fieldset>
                <legend></legend>
                <table width="90%" align="center">
                  <tr>
                    <td width="33%" valign="top"><div align="left"><strong>Composici&oacute;n</strong></div></td>
                    <td width="67%"><div align="center"><strong>Tama&ntilde;o</strong></div></td>
                  </tr>
                  <tr>
                    <td valign="top">Canto rodado </td>
                    <td><div align="center">
                        <select name="select9">
                          <option selected="selected">2-6 mm</option>
                          <option>6-20 mm</option>
                          <option>20-60 mm</option>
                          <option>...</option>
                          <option>1m - +</option>
                          <option>No aplica</option>
                        </select>
                        <input name="textfield82" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Piedra Cortada </td>
                    <td><div align="center">
                        <select name="select10">
                          <option>2-6 mm</option>
                          <option>6-20 mm</option>
                          <option>20-60 mm</option>
                          <option>...</option>
                          <option>1m - +</option>
                          <option selected="selected">No aplica</option>
                        </select>
                        <input name="textfield83" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Grava gruesa </td>
                    <td><div align="center">
                        <select name="select12">
                          <option>2-6 mm</option>
                          <option selected="selected">6-20 mm</option>
                          <option>20-60 mm</option>
                          <option>...</option>
                          <option>1m - +</option>
                          <option>No aplica</option>
                        </select>
                        <input name="textfield84" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Grava mediana </td>
                    <td><div align="center">
                        <select name="select13">
                          <option>2-6 mm</option>
                          <option>6-20 mm</option>
                          <option selected="selected">20-60 mm</option>
                          <option>...</option>
                          <option>1m - +</option>
                          <option>No aplica</option>
                        </select>
                        <input name="textfield85" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Grava fina </td>
                    <td><div align="center">
                        <select name="select14">
                          <option selected="selected">2-6 mm</option>
                          <option>6-20 mm</option>
                          <option>20-60 mm</option>
                          <option>...</option>
                          <option>1m - +</option>
                        </select>
                        <input name="textfield86" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Ceniza</td>
                    <td><div align="center">
                        <input name="textfield8" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Arena</td>
                    <td><div align="center">
                        <input name="textfield9" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Arcilla</td>
                    <td><div align="center">
                        <input name="textfield10" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">Moluscos</td>
                    <td><div align="center">
                        <input name="textfield11" type="text" size="10" maxlength="10" />
                      </div></td>
                  </tr>
                  <tr>
                    <td valign="top">&nbsp;</td>
                    <td>&nbsp;</td>
                  </tr>
                  <tr>
                    <td valign="top">Observaciones</td>
                    <td><div align="center">
                        <textarea name="textarea3" cols="40" rows="3"></textarea>
                      </div></td>
                  </tr>
                </table>
                </fieldset>
